import asyncio

async def run():
    print("我是一个普通的run函数")
    return "返回值"
# 获取返回值
def call_back(f):
    print(f.result())

cor = run()

task = asyncio.ensure_future(cor)
# 获取返回值
task.add_done_callback(call_back)
#print(task)
loop = asyncio.get_event_loop()
loop.run_until_complete(task)